`int 1/(9x^2-1) dx=`

(i) int 1/(x^2+2x+2) dx (ii) int 1/(9x^2+6x+5) dx

(i) int 1/(1-x^2) dx (ii) int 1/(x^2-9) dx

Evaluate : int1/(4+9x^(2)) dx

int(1)/(x^(2)-9)dx

(i) int_1^3 (3x)/(9x^2-1) dx (ii) int_2^3 x/(x^2+1) dx

Evaluate: (i) int(1)/(4+9x^(2))dx (ii) int(1)/(9x^(2)-4)dx (iiii) int(1)/(16-9x^(2))dx

(i) int_0^1 (dx)/sqrt(1-x^2) (ii) int_0^1 (dx)/sqrt(1+x^2) (iii) a int_1^sqrt3 (dx)/(1+x^2) b int_0^1 (dx)/(1+x^2) (iv) int_0^(2//3) (dx)/(4+9x^2) (v) int_0^1 x/(x^2+1)dx (vi) int_2^3 x/(x^2+1) dx

(i) int 1/(1+x^2/4) dx (ii) int 1/((x+2)^2+1) dx (iii) int (dx)/(4+9x^2)

int(1)/(9x^(2)+4)dx

int(1)/(9-4x^(2))dx